OPA2348-HIREL_15 Datasheet, PDF (8/15 Pages) Texas Instruments – 1-MHz, 45-μA CMOS RAIL-TO-RAIL OPERATIONAL AMPLIFIER

OPA2348-HiRel
SBOS482 – NOVEMBER 2009
www.ti.com
TYPICAL CHARACTERISTICS (continued)
T_A = 25°C, R_L = 100 kΩ connected to V_S/2, V_OUT = V_S/2 (unless otherwise noted)
SMALL-SIGNAL OVERSHOOT
vs LOAD CAPACITANCE
60
G = –1V/V, R _FB = 100kW
50
PERCENT OVERSHOOT vs LOAD CAPACITANCE
60
50
40
40
30
G = +1V/V, R _L = 100kW
20
G = –1V/V, R _FB = 5kW
10
30
20
G = ±5V/V, R _FB = 100kW
10
0
10
100
1k
10k
Load Capacitance (pF)
0
10
100
1k
10k
Load Capacitance (pF)
SMALL-SIGNAL STEP RESPONSE
G = +1V/V, R _L = 100kW, C_L = 100pF
LARGE-SIGNAL STEP RESPONSE
G = +1V/V, R _L = 100kW, C_L = 100pF
2µs/div
10µs/div
INPUT CURRENT AND VOLTAGE NOISE
SPECTRAL DENSITY vs FREQUENCY
10k
1k
1.000
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
1k
100
V_N
100
I_N
10
0.100
0.010
10
1
1
10
100
1k
10k
100k
Frequency (Hz)
0.001
10
100
1k
10k
Frequency (Hz)
100k
8
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